A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

Which is heavier: a ton of bricks or a ton of feathers?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

What's a single-digit number with no value?